Home / 28,063,620.20-42,086,682.30-11,029,514.60

Finding the Fourth Proportional to 28,063,620.20, 42,086,682.30 and 11,029,514.60

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Solution

The fourth proportional to 28,063,620.20, 42,086,682.30 and 11,029,514.60 is: 16,540,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063,620.20 : 42,086,682.30 = 11,029,514.60 : x
  2. Step 2: Convert to fraction form
    28,063,620.20/42,086,682.30 = 11,029,514.60/x
  3. Step 3: Cross multiply
    28,063,620.20x = 42,086,682.30 × 11,029,514.60
  4. Step 4: Simplify right side
    28,063,620.20x = 464,195,676,893,411.56
  5. Step 5: Solve for x
    x = 464,195,676,893,411.56/28,063,620.20
  6. Step 6: Final answer
    x = 16,540,833.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.